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FY2026 GAA: ₱6.79T
PisoScan
DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 2ND ED Award a ₱499.0K contract to W. RIVERA CONSTRUCTION & EQUIPMENT RENTALSNational agencies

Transaction hash:
83ceff28d8765bc6398d43db3b65cf288a06253a8df2a09d4d89aeb085d6c0e7
Status:
Included and unchanged
Block:
#1,797 4,216 blocks after it
Position in block:
Transaction 40 of 81
Award day:
Jul 8, 2013 (13 yrs 4 mo ago)
Value:
₱499,000.00
Project:
13DE0048 Line Canal Brgy 6, Bats City

Accountability

Bill Sec. 3 and 19
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #1,797 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    The award does not say which budget line pays for it.
    Not published
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 2ND ED awarded it to W. RIVERA CONSTRUCTION & EQUIPMENT RENTALS on 2013-07-08.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   83ceff28d8…d6c0e7now      …
  2. 2. Block Merkle root changed
    stored   1493f81d95…2918cfnow      …
  3. 3. Block #1797 hash changed
    stored   5372ac6658…c42554now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 80 records. Each step hashes the current value together with the sibling shown.

  1. leaf  83ceff28d8765bc6398d43db3b65cf288a06253a8df2a09d4d89aeb085d6c0e7
  2. 01 R 85ccf4051bbf02be6a36295ac3b635b0c662b5674ee07d8f313317ab3d2055fa
  3. 02 R f247c42fac42d9504f3750c572225302d14b74341a6dcc9ff1b006469935724a
  4. 03 R 9fd960442d9a98289fb48df9c595cff56a000f93eba89d52d8db07bc0c5d13d8
  5. 04 L 63093ace4ed15b453ec2fd4b682679629df1e9816f9e37e6b231c4aa58e08445
  6. 05 R 7a8a8577708731368cd7ca8ca37dc76e52e6f1197b43c4924f8c67e9bd0165c3
  7. 06 L c32dd0ebc7738a07bc7527679a6cd2b92444d442b5a74cfd75e5e0d4f5f97160
  8. 07 R 80df8f85ae0a9366b517157607a015cfe2839a28f0f7ea119c60a610eb09a84e
  9. root  1493f81d95480231d2ce7373f6d86afb4540ea3924bc7f964740ef26f72918cf